| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.pdf; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class PDFStreamTestCase { |
| |
| private PDFStream stream; |
| |
| @Before |
| public void createStream() { |
| stream = new PDFStream(); |
| stream.setObjectNumber(1); |
| PDFDocument pdfDocument = new PDFDocument("Apache FOP"); |
| stream.setDocument(pdfDocument); |
| } |
| |
| @Test |
| public void testFilterSetup() { |
| testGetFilterList(); |
| testSetupFilterList(); |
| } |
| |
| private void testGetFilterList() { |
| PDFFilterList filterList = stream.getFilterList(); |
| assertFalse(filterList.isInitialized()); |
| assertEquals(0, filterList.getFilters().size()); |
| } |
| |
| private void testSetupFilterList() { |
| stream.setupFilterList(); |
| PDFFilterList filterList = stream.getFilterList(); |
| assertTrue(filterList.isInitialized()); |
| assertEquals(1, filterList.getFilters().size()); |
| PDFFilter filter = filterList.getFilters().get(0); |
| assertEquals("/FlateDecode", filter.getName()); |
| } |
| |
| @Test |
| public void customFilter() { |
| PDFFilterList filters = stream.getFilterList(); |
| filters.addFilter("null"); |
| assertTrue(filters.isInitialized()); |
| assertEquals(1, filters.getFilters().size()); |
| PDFFilter filter = filters.getFilters().get(0); |
| assertEquals("", filter.getName()); |
| } |
| |
| @Test |
| public void testStream() throws IOException { |
| PDFFilterList filters = stream.getFilterList(); |
| filters.addFilter("null"); |
| byte[] bytes = createSampleData(); |
| stream.setData(bytes); |
| ByteArrayOutputStream actual = new ByteArrayOutputStream(); |
| stream.outputRawStreamData(actual); |
| assertArrayEquals(bytes, actual.toByteArray()); |
| } |
| |
| @Test |
| public void testEncodeStream() throws IOException { |
| PDFFilterList filters = stream.getFilterList(); |
| filters.addFilter("null"); |
| byte[] bytes = createSampleData(); |
| stream.setData(bytes); |
| ByteArrayOutputStream actual = new ByteArrayOutputStream(); |
| StreamCache streamCache = stream.encodeStream(); |
| streamCache.outputContents(actual); |
| assertArrayEquals(bytes, actual.toByteArray()); |
| } |
| |
| @Test |
| public void testEncodeAndWriteStream() throws IOException { |
| PDFFilterList filters = stream.getFilterList(); |
| filters.addFilter("null"); |
| byte[] bytes = createSampleData(); |
| stream.setData(bytes); |
| ByteArrayOutputStream actual = new ByteArrayOutputStream(); |
| PDFNumber number = new PDFNumber(); |
| stream.encodeAndWriteStream(actual, number); |
| assertArrayEquals(createSampleStreamData(), actual.toByteArray()); |
| } |
| |
| private byte[] createSampleData() { |
| byte[] bytes = new byte[10]; |
| for (int i = 0; i < 10; i++) { |
| bytes[i] = (byte) i; |
| } |
| return bytes; |
| } |
| |
| private byte[] createSampleStreamData() throws IOException { |
| ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| stream.write("\nstream\n".getBytes("US-ASCII")); |
| stream.write(createSampleData()); |
| stream.write("\nendstream".getBytes("US-ASCII")); |
| return stream.toByteArray(); |
| } |
| |
| @Test |
| public void testHash() throws IOException { |
| assertFalse(getStreamHash(65025).equals(getStreamHash(127076))); |
| } |
| |
| private String getStreamHash(int i) throws IOException { |
| PDFStream stream = new PDFStream(); |
| String txt = "1 0 0 -1 0 790.866 cm\n" |
| + "q\n" |
| + "0 g\n" |
| + "BT\n" |
| + "/F1 12 Tf\n" |
| + "1 0 0 -1 0 10.26599979 Tm [(" + i + ")] TJ\n" |
| + "ET\n"; |
| String img = "q\n" |
| + "126.734001 0 0 -38.244999 0 54.294998 cm\n" |
| + "/Im2 Do\n" |
| + "Q\n"; |
| if (i % 2 == 0) { |
| stream.add(txt + img + "Q\n"); |
| } else { |
| stream.add(txt + "Q\n"); |
| } |
| return stream.streamHashCode(); |
| } |
| } |